From b802bf0b9518e53d5ae676f9019be578e50f4f38 Mon Sep 17 00:00:00 2001
From: Vincent Laporte <Vincent.Laporte@gmail.com>
Date: Thu, 14 Sep 2023 18:46:28 +0200
Subject: [PATCH] =?UTF-8?q?ocamlPackages.ocaml-migrate-parsetree-2:=20disa?=
 =?UTF-8?q?ble=20for=20OCaml=20=E2=89=A5=205.1?=
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---
 .../ocaml-modules/ocaml-migrate-parsetree/2.x.nix            | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/ocaml-modules/ocaml-migrate-parsetree/2.x.nix b/pkgs/development/ocaml-modules/ocaml-migrate-parsetree/2.x.nix
index 0d127d791524..1ba2976bcc54 100644
--- a/pkgs/development/ocaml-modules/ocaml-migrate-parsetree/2.x.nix
+++ b/pkgs/development/ocaml-modules/ocaml-migrate-parsetree/2.x.nix
@@ -1,4 +1,7 @@
-{ lib, fetchurl, buildDunePackage }:
+{ lib, fetchurl, buildDunePackage, ocaml }:
+
+lib.throwIf (lib.versionAtLeast ocaml.version "5.1")
+  "ocaml-migrate-parsetree is not available for OCaml ${ocaml.version}"
 
 buildDunePackage rec {
    pname = "ocaml-migrate-parsetree";